Which of the following element is considered as a metalloid?
(a) \( \mathrm{Sc} \)
(b) \( \mathr... VIDEO
Which of the following element is considered as a metalloid?https://bit.ly/YTAI_PWAP https://www.pw.live
Other Videos By PW Solutions 2023-07-03 Among the following, basic oxide is:
(a) \( \mathrm{SO}_{3} \)
(b) \( \mathrm{SiO}_{2} \)
(c) \(... 2023-07-03 The IUPAC nomenclature of an element with electronic configuration \( [\mathrm{Rn}] 5 \mathrm{f}... 2023-07-03 Match List-I with List-II
\begin{tabular}{|l|l|c|l|}
\hline \multicolumn{2}{|c|}{ List-I (Oxide)... 2023-07-03 Element E belongs to the period 4 and group 16 of periodictable. The valence shell electron conf... 2023-07-03 The correct order of increasing ionic radii is
(a) \( \mathrm{Mg}^{2+}\mathrm{Na}^{+}\mathrm{F}^... 2023-07-03 Given below are two statements: one is labelled as
Assertion (A) and the other is labelled as Re... 2023-07-03 The correct order of electron gain enthalpies of \( \mathrm{Cl}, \mathrm{F}, \mathrm{Te} \) and ... 2023-07-03 Which one of the following statements for D.1. Mendeleef. is incorrect?
(a) Element with atomic ... 2023-07-03 The correct order of first ionisation enthalpy is:
(a) \( \mathrm{Mg}\mathrm{Al}\mathrm{S}\mathr... 2023-07-03 The ionic radii of \( \mathrm{K}^{+}, \mathrm{Na}^{+}, \mathrm{Al}^{3+} \) and \( \mathrm{Mg}^{2... 2023-07-03 Which of the following element is considered as a metalloid?
(a) \( \mathrm{Sc} \)
(b) \( \mathr... 2023-07-03 The pair, in which ions are isoelectronic with \( \mathrm{Al}^{3+} \) is:l
(a) \( \mathrm{Br}^{-... 2023-07-03 Chalcogen group elements are:
(a) Se, Te and Po
(b) O, Ti and Po
(c) \( \mathrm{Se}, \mathrm{Tb}... 2023-07-03 Given below are the oxides: \( \mathrm{Na}_{2} \mathrm{O}, \mathrm{As}_{2} \mathrm{O}_{3}, \math... 2023-07-03 The correct order of ionic radii for the ions: \( \mathrm{P}^{3-}, \mathrm{S}^{2-}, \mathrm{Ca}^... 2023-07-03 The ionic radii of \( \mathrm{F}^{-} \)and \( \mathrm{O}^{2-} \) respectively qre \( 1.33 \AA \)... 2023-07-03 The first ionization energy of magnesium is smaller as compared to that of elements \( \mathrm{X... 2023-07-03 Outermost electronic configuration of a group \( 13^{\text {th }} \) element \( E \) is \( 4 s^{... 2023-07-03 The characteristics of elements \( \mathrm{X}, \mathrm{Y} \) and \( \mathrm{Z} \) with atomic nu... 2023-07-03 Identify the elements \( \mathrm{X} \) and \( \mathrm{Y} \) using the ionisation energy values g... 2023-07-03 The ionic radius of \( \mathrm{Na}^{+} \)ion is \( 1.02 \AA \). The ionic radii (in \( \AA \) ) ...
0